Eric Lee / smarc-uboot

24 Oct, 2019

1 commit

  • 7feafb0ae   ufs: Add Initial Support for UFS subsystem ... Browse Code ยป

    Add Support for UFS Host Controller Interface (UFSHCI) for communicating
    with Universal Flash Storage (UFS) devices. The steps to initialize the
    host controller interface are the following:

    - Initiate the Host Controller Initialization process by writing to the
    Host controller enable register.
    - Configure the Host Controller base address registers by allocating a
    host memory space and related data structures.
    - Unipro link startup procedure
    - Check for connected device
    - Configure UFS host controller to process requests

    Also register this host controller as a SCSI host controller.

    Taken from Linux Kernel v5.2 (drivers/scsi/ufs/ufshcd.c) and ported to
    U-boot.

    Signed-off-by: Faiz Abbas

    Faiz Abbas